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United States Patent | 6,047,968 |
Lu ,   et al. | April 11, 2000 |
An electronic dart board includes an outer frame shell having a plurality of partition ribs defining a set of scoring chambers, and a set of base blocks respectively mounted in the scoring chambers, wherein a set of block holders are respectively nested in the scoring chambers to hold the base blocks in the respective scoring chambers, the block holders fitting the scoring chambers respectively, each block holder having a plurality of less at a bottom side and at least one locating rib respectively engaged into a respective locating groove on the base blocks.
Inventors: | Lu; Kuo-Hui (3F, No. 50, Lane 2, Sec. 2, Yan Jiow Yuann Rd., Taipei, TW); Yen; Ching-Tai (4F, No. 11, Lane 474, Kang-Ning St., Hsi Chih, Taipei Hsien, TW) |
Appl. No.: | 123984 |
Filed: | July 29, 1998 |
Current U.S. Class: | 273/371; 273/376 |
Intern'l Class: | F41J 005/02 |
Field of Search: | 273/371,374,376,403,404,408,407 |
5482291 | Jan., 1996 | Houriet, Jr. et al. | 273/376. |
5613685 | Mar., 1997 | Stewart et al. | 273/374. |
5626344 | May., 1997 | Huang | 273/376. |